as she was away from home for years, sh missed her family a lot.

이 구문을 분사구문으로 고치면

being away from home for years, sh missed her family a lot. 이 되잖아요.
그런데 분사구문은 being을 생략한다고 하던데
그러면 away from home for years, sh missed her family a lot.이렇게 되는건가요 ??

뭔가 이상한거 같아서요..
being은 무조건 생략하는건가요 ???